Feeding sharks ‘junk food’ takes a toll on their health

In general, sharks have a reputation as swimming garbage cans that unflinchingly dine on whatever they can fit in their jaws. But in French Polynesia, blacktip reef sharks that frequent places where tourists toss them low-quality scraps are taking a hit to their metabolic and reproductive health, researchers report December 24 in Animal Conservation. Around…

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A tiny neutrino detector scored big at a nuclear reactor

A tiny neutrino detector has found its footing in a fresh setting — at a nuclear reactor.  Conventional detectors of the subatomic particles require metric tons of material. But the new detector has a mass of less than 3 kilograms. Think chihuahua. And it successfully detected antineutrinos, the antimatter counterparts of neutrinos, streaming from a nuclear…

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